Dirty Alphonzo Share definition Flag When a guy snaps his fingers, and his girlfriend sucks his semen out of the other girlfriend. Snapped my fingers like the Fonz, and gave them a Dirty Alphonzo.... Dirty Alphonzo by BigBadBone June 16, 2021 0 0 Get merch Get the Dirty Alphonzo mug. Buy Now — $32.95 See more merch